山东省2024届高三适应性调研考试英语试题含解析

山东省2024届高三适应性调研考试英语试题请考生注意：1．请用2B铅笔将选择题答案涂填在答题纸相应位置上，请用0．5毫米及以上黑色字迹的钢笔或签字笔将主观题的答案写在答题纸相应的答题区内。写在试题卷、草稿纸上均无效。2．答题前，认真阅读答题纸上的《注意事项》，按规定答题。第一部分（共20小题，每小题1.5分，满分30分）1．—YoushouldhavecometothepartylastSaturdayevening.Itwasreallyfantastic.—Butafriendanunexpectedvisittome.A．paid B．hadpaid C．wouldpay D．haspaid2．Intheforest,soundisthebestmeansofcommunicationoverdistance________incomparisonwithlight,itwon'tbeblockedbytreeswhentravelling.A．whileB．becauseC．whenD．though3．—Youlooksleepytoday.—__________nottomisstheflight,Ididn'tdaretoclosemyeyesthewholenight.A．Reminded B．BeingremindedC．Reminding D．Havingreminded4．Afterlookingatmanynewcars,Ifound________whichIwouldacceptjustassuitable.A．it B．this C．that D．one5．Wereallyemphasizetheimportanceofputting______safeguardstopreventchildren’sidentitiesfromfallinginwrongpeople’shands.A．inplaceB．invainC．inquestionD．inearnest6．The114colorfulclayWarriors____atNo.1pit,______inheightfrom1.8mto2m,haveblackhair,green,whiteorpinkfaces,andblackorbrowneyes.A．unearthed;rangingB．unearthing;rangingC．unearthed;rangedD．areunearthed;areranging7．---Whereistheplane？Ican'tseeit.---Itwentoffits________________tokeepawayfromthesuddenstorm.A．course B．roadC．flight D．direction8．Wehavenoideawhatairwewillbebreathinginthefutureifweanythingtostophazyweather.A．hadn’tdoneB．didn’tdoC．haven’tdoneD．don’tdo9．WithWeChatPaycomingintowidespreaduse,ourhouseholdbillsareconvenient____.A．paying B．paid C．topay D．tobepaid10．—Mike,it’sreallyimpossibleforustogettotherailwaystationintime!—HowIwishIcouldstopthetrain________it.A．catchB．tocatchC．catchingD．caught11．Communicationcanhelpyougainmorerespectfromyourparents,andyoumaybeabletoreach____thatmakeeveryonehappy.A．compromises B．contributions C．congratulations D．competitions12．Theaccidenthavebeencausedbyadogrunningacrosstheroad,butwedon’tknowforsure.A．might B．shouldC．will D．must13．—DoyoulikethemobilegameTravelingFrog?—Yes,thepostsaboutthevirtualgreenfrog________over4milliontimes.A．haveread B．havebeenreadC．wouldberead D．arereading14．Onceyou’ve________theitemsyouordered,putthisrecordinyourfile.A．checkedin B．checkedoffC．checkedout D．checkedwith15．Thedisabledguywasattendedthroughouthisschooldaybyanurse________toguardhim.A．toappoint B．appointedC．appointing D．havingappointed16．Asyougothroughthisbook,you________thateachofthemillionsofpeoplewholivedthroughWorldWarIIhadadifferentexperience.A．willfind B．foundC．hadfound D．havefound17．Ifyouwanttoleadahappylife,you’dbetterlearntoacceptlife______itis.A．as B．thatC．which D．where18．Comehere,Mary.Ifyoustandatthisangle,you______justseethesunset.A．must B．needC．can D．should19．Iamsurethatthegirlyouaregoingtomeetismorebeautiful_______thaninherpictures.A．innature B．inmovement C．intheflesh D．inthemood20．I'mverygratefultomyhighschoolteachers，without_____________helpIwouldn'tbesoexcellent.A．their B．whomC．whose D．which第二部分阅读理解（满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。21．（6分）Ineverseenthenightnorseenastar;I’veseenneitherspringnorfallnorwinter.IwasbornattheendoftheReiningAge(刹车时代),justastheEarth’srotation(旋转)wascomingtoafinalstop.TheReininglastedfor42years,threeyearslongerthantheUnityGovernmenthadplanned.Mymotheroncetoldmeaboutthetimeourfamilywitnessedthelastsunset.TheSunhadeversoslowlycrepttowardthehorizon,almostasifithadstoppedmovingaltogether.Intheend,ittookthreedaysandthreenightstofinallyset.Naturally,thatwastheendofall“days”andall“nights”.TheEasternHemisphere(半球)wascoveredinweaklightforalongtimethen,perhapsforadozenyearsorso—withtheSunhidingjustbeyondthehorizon—itsraysreflectedbyhalfofthesky.ItwasduringthatlongsunsetthatIwasborn.Duskdidnotmeandarkness.TheNorthernHemispherewaslitupbytheEarthEngines.ThesegiantengineshadbeenraisedallacrossAsiaandNorthAmerica;onlythesolidplatesbeneaththosetwocontinentscouldresistthegreatpushingforcestheyexerted.Therewereabout12,000EarthEnginesbuiltanddistributedacrosstheAsianandAmericanplains.FrommyhomeIcouldseethebrightplasmaplumes(等离子气柱)ofseveralhundredEarthEngines.Justimagineatitanicpalace,oneaslargeastheParthenonontheAcropolis.Nowimaginecountlesstitanicpillarsrisingfromthatpalace,reachingtotheheavens,eachreleasingbrilliant,bluish-whitelightlikeatitanicshiningtube.Andthenthereisyou;youareamicrobeonthepalace’sfloor.Thisonlybeginstopaintthepictureoftheworldwelivedin.Thispicture,however,isnotyetcomplete.Inordertosurvivethemeltingtemperatureoftheexpandingsun,wehavetopushtheEarthawayfromit.First,theEarthmustbestoppedfromrotating.Onlytheforcesactingtangentially(正切地)totheEarth’srotationcouldslowit,sotheEarthEngineshadtobebuilttoaspecificangle.Thosegiganticpillarsoflightwereleaningtothatangle.Nowimaginewhatthatmeantforourpalace,withitspillarsallleaningonthepointoffallingdown!ManywhocamefromtheSouthernHemispherewentmadwhensuddenlyseeingthisawesomeview.WorsethantheviewwastheburningheatreleasedbytheEarthEngines.Outdoorsthetemperaturewasstuckataround160to180degrees,forcingustowearspecialsuitsjusttoleavethehouse.Theextremelyhightemperaturesoftenbroughtpouringrains.ItwasalwaysaterrifyingscenewhenthebeamofanEarthEnginecutthroughdarkclouds.Thecloudsscatteredthebrilliant,bluish-whitelightofthebeam,eruptingitintoendlessrainbowlightthatcoveredtheentireskylikewhite-hotmagma(岩浆).Tomygeneration,bornintheNorthernHemisphere,allofthiswasperfectlynormalandnatural,justliketheSun,starsandMoonhadbeentogenerationsbeforetheReiningAge.WecalledtheentirehistoryofthehumanracethathadcomebeforeusthePre-SolarAge;whatafascinatingandgoldenerathathadtrulybeen!TheReiningAgelefttheearthwithahorrifyingresult.Theseatides,quickenedbytheEarthEngines,hadswallowedtwooutofeverythreecitiesintheNorthernHemisphere;thentheglobalincreaseintemperaturesmeltedthepolaricecap,resultinginfloodsthatspreadtotheSouthernHemisphere.Thirtyyearsearliermygrandfatherhadwitnessedgiant300-footwavesthathadengulfedShanghai.Evennow,hecouldnevertellusaboutitwithouthisgazeslippingintoathousand-milestare.Ourplanethadalreadychangedbeyondrecognitionbeforeitevensetoutonitsjourney.Whoknewwhathardshipswerewaitingforusonourlongtravelsthroughouterspace?1、Whathappenedwhentheauthorwasborn?A．Theearthhadstoppedturningforforty-twoyears.B．Thesunwasmakingitslastfalltowardsthehorizon.C．AlltheEarthEngineshadnotbeenfinished.D．Hisfamilyweresufferingfromthesummerhotness.2、WhichofthefollowingabouttheEarthEnginesisright?A．TheywerebuiltinAsiaandNorthAmericaduetotheirhugenumberandweight.B．Theirlightandheatprovidednecessaryenergyforpeopletosurvive.C．Theywereallbuilttopointstraightupwardtotheskytostoptheearthrotating.D．Theirexistencebroughtbothopportunitiesandinconveniencetopeopleontheearth.3、Whatcanweinferfromthelastthreeparagraphs?A．PeoplebornintheSouthernHemispherecouldenjoyfourdifferentseasons.B．TheauthormissedhisPre-SolarAgelifestyleverymuch.C．GrandfatherwouldneverforgetthesceneofShanghaibeingswallowed.D．Theauthorwasdiscouragedbutoptimisticaboutthefutureoftheearth.4、Inthisexcerpt(节选)wecanclearlyseethattheauthorisgoodat__________.A．describingmentalactivities B．visualizingvividscenesC．doingexperimentalanalysis D．expressingpersonalbelief5、Thisexcerptisapartof__________.A．adocumentarynovel B．anacademicessayC．ascientificresearchreport D．asciencefiction6、Whatisthebesttitleofthischapter?A．TheLastSunset B．TheEarthEngines C．TheReiningAge D．ThePost-SolarLife22．（8分）Oumuamua,anobjectthroughspacethatwasdiscoveredonOctober19th,hasalreadymadehistory.Thespeedatwhichitismovingrelativetothesunmeansthatitcannotbenativetothesolarsystem.ItsofficialnameisthusII/2017UI,withthe“I”standingfor“interstellar(星际)”—thefirsttimethisnamehaseverbeenused.Thatisexciting.Somescientists,though,entertainanevenmoreexcitingpossibility:whatifOumuamuaisnotanasteroid(小行星),asmostthink,butanalien(外星的)spacecraft?Asteroidscomeinllsortsofshapesandsizes,butOumuamuaseemsparticularlydifferent.Asbestasastronomerscantell,itiscigarlike,beingroughly180meterslongbutonlyabout30meterswide.Thatmakesitlongerthananythingknownofinthesolarsystem.Suchashapewouldbeasensiblechoiceforaspaceship,sinceitwouldminimizethescouring(冲刷)effectofinterstellardust.WiththatinmindtheBreakthroughListenproject,anorganizationaimedathuntingforalienlife,planstoturntheworld’sbiggestradiotelescope,theGreenBankinstrumentinVirginia,towardsOumuamuatoseeifitcanhearanythinginteresting.OumuamuaiscurrentlyabouttwiceasfarfromEarthasEarthisfromthesun.Atthatrange,thetelescopeshouldbesensitiveenoughtopickupatransmitteraboutaspowerfulasamobilephoneafterjustafewseconds—worthyofobservations.Willitfindanything?Almostcertainlynot.Oumuamuahasthesamereddishcolorasmanyasasteroids,soprobablyhasasimilarcomposition.And,ifitreallyisaspaceship,itisstrangethatsignsofitsartificialoriginhavenotbeenseenalready.Itcould,intheory,beaderelict(遗弃星球).Butinthatcasethetelescopeisunlikelytohearanything.Byfarthemostlikelyoptionisthatitisexactlywhatitseemstobe:ahugespacerock,onethathascometothesolarsystemfromthevastspacebetweenthestars.1、WhatmakessomescientiststhinkOumuamuaispossiblyanalienspacecraft?A．Itssize.B．Itscolor.C．Itsshape.D．Itsspeed.2、Whatdoestheunderlinedword“that”inthethirdparagraphprobablymean?A．Theresearchintothesolarsystem.B．Thepurposeofhuntingforalienlife.C．TheeffectofinterstellardustonOumuamua.D．ThepossibilityofOumuamuabeingaspaceship.3、WhatisOumuamuamostlikelytobeaccordingtotheauthor?A．Anasteroid.B．Aspacerock.C．Interstellardust.D．Analienspacecraft.4、Itcanbeinferredfromthelastparagraphthat__________.A．Oumuamuawillreturntowhereit’sfromsoonB．Oumuamua’srealidentityremainstobefoundoutC．astronomershavenotseensignsofOumuamua’sartificialoriginD．theGreenBanktelescopehasalreadyheardsomethingfromOumuamua23．（8分）Overthepastfewyears,smarthometechhasbecomemoreandmoreaccessibleandit’sincreasinglyeasytofindthatyou’veboughtaproductthatincludessmarthomefeatures.Sowhatdoesamodemsmarthomelooklike,andhowcanyoustartbuildingone?Youcouldgettostartmakingyourhomesmarterbythefollowinggadgets.Ecobee4*Measuringbothoccupancyandtemperature,itssensorssignalyourEcobeetoautomaticallyswitchtotherightmode.*Itonlytakesabout30minutes.thankstoaneasy-to-followinstallationguideandanin-appstep-by-stepwalkthrough.*Easilyadjusttemperatureusingyourvoicewithbuilt-inAlexaorfromwhereveryouareusingyourmobiledevices.AmazonSmartPlug*AmazonSmartPlugworkswithAlexatoaddvoicecontrol.*Schedulelights,fans,andappliancestoturnonandoffautomatically,orcontrolthemremotelywhenyou’reaway.*It’ssimpletosetupanduse.Plugin,openAlexaapp,andstartusingyourvoice.ThePhilipsHueWhiteSmartBulb*ItworkswithAmazonAlexatosupportdimmingthroughvoicecontrol.*Scheduleyourowncustomlightingscenes.Setthesmartbulbstoturnonandoffatapre-settime.Toinstall,simplyscrew(拧)thesmartbulbsintoyourdesiredlightlocation.*Controlsmart-bulb-equippedlampsandoverheadlightsviathePhilipsHueApp.AugustSmartLockPro*ItworkswithAlexaforvoicecontrol(Alexadevicesoldseparately).*Controlkeylessaccess.Itlocksautomaticallybehindyou,andunlocksasyouapproach.*Installinabout10minuteswithjustascrewdriver(螺丝刀).1、Whatdothefourgadgetshaveincommon?A．UsefulPhilipsHueApp. B．Beautifullightingscenes.C．Easyinstallationandsimpleset-up. D．Pleasanttemperature.2、Thispassageisintendedto________.A．introducethegadgetsofsmarthome B．provideadviceforhomedecorationC．comparethegadgetswithothers D．showthepopularityofthegadgets24．（8分）Plantsareboring.Theyjustsittherephotosynthesizing（光合作用）whileanimalshaveallthefun.Right?Notsomuch.Anewstudyhasfoundthatthereisalonghistoryofinteractionsbetweenantsandplants.Theantandplantco-evolution（协同进化）startedwithantsfeedingonplantsandplantsevolvingant-friendlyfeatures.Plantsmakeanumberofdifferentstructuresthatarespecificforantuse.Someplantshaveevolvedfeaturesthatpersuadeantsintodefendingthemfromattackfromotherinsectsandevenmаmmаlѕ.Тhеѕеіnсludеhollowthornsthatаntѕwillliveіnѕіdе,orехtranесtаr(琼浆)оnlеаvеѕorstemsfortheantstoeat.Someantswilljustcheatandtakethenectarandrun,butsomewillstickaroundandattackanythingthattriestohurttheplant.Otherplantsgetantstohelpthemmovetheirseedsaround,byprovidingthemwithrichfoodpacketsattachedtotheseeds.Theantwillpickuptheseedandcarryitaway,eatthefoodpacket,andleavetheseed-ofteninanutrient-richareawhereit'llgrowbetter,andsinceit'sfartherawayfromitsparent,theywon'thavetocompeteforresources.Butscientistsweren'tsurehowtheevolutionaryrelationshipbetweenantsandplantsgotstarted.Ifevolutionisanarmsracebetweenspeciesdevelopingwaystomakeuseoftheirneighbors,thenscientistswantedtoknowwhetherplantsorantsfiredthefirstshot.Itwasachicken-and-eggquestion,whetherthingsstartedwithantsdevelopingbehaviorstotakeadvantageofplants,orplantsevolvingstructurestotakeadvantageofants.Thehistoryofantsandplantsevolvingtogethergoesbacktothetimeofthedinosaurs,andit'snoteasytotellfromfossilswhofiredthefirstshot.However,itisaquestionoflittlesignificance.Scientistssaytheirstudymatersbecauseitprovidesalookathowthesewidespreadandcomplexinteractionsevolved.1、Someplantsattachfoodpacketstotheirseedsinorderto.A．rewardtheants B．makeafoolofantsC．providenutritionfortheseeds D．gettheseedsmovedaround2、WhatdoesParagraph2mainlytellus?A．Howplantsandantsinteract. B．Whatantsdotoprotectplants.C．Howplantsandantssurviveattacks. D．Whyplantsandantsneedco-evolution.3、Whichistrueabouttheevolutionaryrelationshipbetweenantsandplants?A．Antsdependedmoreuponplants. B．Itcausedaraceforbetterevolution.C．Howitgotstartedwasuncertain. D．Itwasoflittlevalueforfuturestudies.4、What'stheauthor’spurposeofwritingthepassage?A．Tointroduceascienceresearchmethod.B．ToinformreadersofalatestresearchfindingC．Toarousereaders'interestinscienceresearch.D．Tocriticizepeople'straditionalviewsaboutplants.25．（10分）Taxi-bookingappUberagreedtosellitsbusinessinChinatoDidiChuxing.Thetwofirmshadbeenfiercecompetitors,butDidiChuxinghadcontrolledtheChinesemarketwithan87%share.UberChinalaunchedin2014,butithadfailedtomakeanyprofitforalongtime.ChengWei,founderandchiefexecutiveofDidiChuxing,saidthetwocompanieshadlearnedagreatdealfromeachotheroverthepasttwoyearsinChina.Headdedthatthedealwouldsetthemobiletransportationindustryonahealthierpathofgrowthatahigherlevel.Aspartofthedeal,Mr.ChengwouldjointheboardofUber,whileUberchiefexecutiveTravisKalanickwouldalsojoinDidi’sboard.Uber’sChinabusinesswouldownitsseparatebrandingwhileUS-basedUberTechnologieswouldholdabout17.5%inthecombinedcompany.DidiChuxingisbackedbyChineseInternetgiantsTencentandAlibaba.UberhadbeenstrugglingtobreakintotheChinesemarketdespitehavingChinesesearchengineBaiduasaninvestor.LastFebruary,thecompanyadmitteditwaslosingmorethan$1billionayearinChina.“FundingtheirChinesedreamswasbecomingtooexpensiveforUber,”DuncanClark,chairmanofBeijing-basedconsultancyBDA,toldtheBBC．TravisKalanicksaid,“Asabusinessman,I’velearnedthatbeingsuccessfulisaboutlisteningtoyourheadaswellasfollowingyourheart.”Thefiercecompetitionhadledbothcompaniestospendmuchmoreontheirjourneys.Thecombinationislikelytoseefewersuchsubsidies（补贴）.“Onethingtowatchcarefullyishowquicklyconsumersfeeltheimpactassubsidiesarewithdrawn.”Mr.Clarkadded.ThedealwithDidiChuxingcamejustdaysafterChinahadagreedtoprovidealegalframeworkfortaxi-orderingapps.BothUberandDidiwelcomedthedecision.ThenewrulestookeffectlastNovemberandcould,amongotherthings,forbidsuchplatformstooperatebelowcost.1、Accordingtothesecondparagraph,whatcanweknow?A．Beingsuccessfulisaboutlisteningtoyourheadandfollowingyourheart.B．Thedealwouldmakethemobiletransportationindustrygrowmuchfaster.C．DidiChuxinghadlearntmoreinChinathanUberoverthepasttwoyears.D．Mr.ChengwouldbeworkingasamemberoftheboardofUberasplanned.2、Whatisthebesttitleofthepassage?A．UbersoldChinesebusinesstoDidiChuxingB．UsingDidiChuxingbringsmoresubsidiesC．ListentoyourheadandfollowyourheartD．ThenewrulestookeffectlastNovember3、WhatistheimpactofthefiercecompetitionbetweenUberandDidi?A．UberdominatedtheChinesemarketwithan87%share.B．Chinaprovidedalegalframeworkfortaxi-orderingapps.C．FundingtheirChinesedreamsbecameexpensiveforUber.D．ChinesesearchengineBaidubecameaninvestorofUber’s.4、Thepassageisprobablytakenfromawebsiteabout________.A．appsB．politicsC．economyD．technology第三部分语言知识运用（共两节）第一节（每小题1.5分，满分30分）阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项．26．（30分）Oneoftheeasiestthingsintheworldistobecomeafault-finder.However,lifecanbe1whenyouarenotbusyfindingfaultwithit.SeveralyearsagoI2aletterfromseventeen-year-oldKerry,whodescribedherselfasaworld-classfault-finder,almostalways3bythings.Peoplewerealwaysdoingthingsthatannoyedher,and4wasevergoodenough.Shewashighlyself-criticalandalsofoundfaultwithherfriends.Shebecameareally5person.Unfortunately,ittookahorribleaccidenttochangeher6.Herbestfriendwasseriouslyhurtinacarcrash.Whatmadeitalmost7todealwithwasthatthedaybeforethe8,Kerryhadvisitedherfriendandhadspentthewholetimecriticizingher9ofboyfriends,thewayshewasliving,thewaysherelatedtohermother,andvariousotherthingsshefeltsheneededto10.Itwasn’tuntilherfriendwasbadlyhurtthatKerrybecame11herhabitoffindingfault.Veryquickly,shelearnedtoappreciateliferatherthanto12everythingsoharshly(刻薄).Shewasabletotransferhernewwisdomtootherpartsofher13aswell.Perhapsmostofusaren’tasextremeatfault-finding,14whenwe’rehonest,wecanbesharply15oftheworld.I’mnotsuggestingyou16problems,orthatyoupretendthingsare17thantheyare,butsimplythatyoulearntoallowthingstobeastheyare—18mostofthetime,andespeciallywhenit’snotareallybig19.Trainyourselfto＂biteyourtongue＂,andwithalittle20,you’llgetreallygoodatlettingthingsgo.Andwhenyoudo,you’llgetbackyourenthusiasmandloveforlife.1、A．lonely B．great C．quiet D．uneasy2、A．received B．answered C．expected D．rejected3、A．threatened B．interrupted C．bothered D．spoiled4、A．anything B．everything C．something D．nothing5、A．caring B．boring C．interesting D．surprising6、A．attitude B．plan C．measure D．explanation7、A．urgent B．unnecessary C．certain D．impossible8、A．occasion B．event C．accident D．adventure9、A．memory B．notice C．evidence D．choice10、A．hear B．contribute C．express D．admit11、A．awareof B．afraidof C．curiousabout D．confusedabout12、A．discuss B．realize C．judge D．settle13、A．family B．life C．career D．education14、A．so B．or C．but D．for15、A．proud B．sure C．hopeful D．critical16、A．face B．create C．solve D．ignore17、A．rarer B．better C．stranger D．worse18、A．atleast B．atlast C．byfar D．sofar19、A．task B．deal C．result D．duty20、A．practice B．speech C．rest D．pity第二节（每小题1.5分，满分15分）阅读下面材料，在空白处填入1个适当的单词或括号内单词的正确形式。27．（15分）Shouldweallowmodernbuildingstobebuiltnexttoolderbuildingsinahistoricareaofacity?Inordertoanswerthisquestion,wemustfirstexamine1．peoplereallywanttopreservethehistoricfeelofanarea.Notallhistoricalbuildingsareattractive.However,theremaybeotherreasons--forexample,economicreasons–2．theyshouldbepreserved.So,letusassumethathistoricalbuildingsarebothattractiveandimportanttothemajorityofpeople.Whatshouldwedothenifanewbuilding3．(need)?Inmyview,newarchitecturalstylescanexistperfectlywellalongsideanolderstyle.Indeed,therearemanyexamplesinmyownhometown4．moderndesignshavebeenplacedverysuccessfullynexttooldbuildings.5．thebuildinginquestionispleasinganddoesnotdominateitssurroundingstoomuch,itoftenimprovestheattractivenessofthearea.Itistruethatthereareexamplesofnewbuildingswhich6．(spoil)theareatheyarein,butthesamecanbesaidofsomeoldbuildingstoo.Yetpeoplestillspeakagainstnewbuildingsinhistoricareas.Ithinkthisissimply7．peoplearenaturallyconservativeanddonotlikechange.Althoughwehavetorespectpeople’sfeelingsasfellowusersofthebuildings,Ibelievethatitisthedutyofthearchitectandplanner8．(move)thingsforward.Ifwealwaysreproducedwhatwastherebefore,wewouldallstillbelivingincaves.Thus,Iwouldargue9．copyingpreviousarchitecturalstylesandchoosesomethingfreshanddifferent,eventhoughthatmightbethe10．(risky)choice.第四部分写作（共两节）第一